: a vascular structure encircling the inner surface of the eye behind the iris that secretes the aqueous humor, contains the ciliary muscle and ciliary processes, and is comprised anteriorly of the pars plicata and posteriorly of the pars plana
Illustration of ciliary body
Seen and Heard
What made you want to look up ciliary body? Please tell us where you read or heard it (including the quote, if possible).